165 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			165 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/**
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 * Copyright (c) 2021 OceanBase
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 * OceanBase CE is licensed under Mulan PubL v2.
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 * You can use this software according to the terms and conditions of the Mulan PubL v2.
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 * You may obtain a copy of Mulan PubL v2 at:
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 *          http://license.coscl.org.cn/MulanPubL-2.0
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 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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 * See the Mulan PubL v2 for more details.
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 */
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#include <math.h>
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#include <string.h>
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#include "share/ob_define.h"
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#include "common/object/ob_obj_type.h"
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#include "common/expression/ob_expr_obj.h"
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#include <gtest/gtest.h>
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#include "sql/engine/expr/ob_expr_nvl.h"
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using namespace oceanbase::common;
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using namespace oceanbase::sql;
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class ObExprNvlTest : public ::testing::Test {
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public:
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  ObExprNvlTest();
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  virtual ~ObExprNvlTest();
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  virtual void SetUp();
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  virtual void TearDown();
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private:
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  // disallow copy
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  ObExprNvlTest(const ObExprNvlTest& other);
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  ObExprNvlTest& operator=(const ObExprNvlTest& other);
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protected:
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  // data members
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};
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ObExprNvlTest::ObExprNvlTest()
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{}
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ObExprNvlTest::~ObExprNvlTest()
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{}
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void ObExprNvlTest::SetUp()
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{}
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void ObExprNvlTest::TearDown()
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{}
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#define EV 0.00001
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#define NVL_EXPECT(funop, str_buf, func, type1, v1, type2, v2, restype, res) \
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  {                                                                          \
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    ObObj t1;                                                                \
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    ObObj t2;                                                                \
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    ObObj vres;                                                              \
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    funop op;                                                                \
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    op.set_result_type(restype);                                             \
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    t1.set_##type1(v1);                                                      \
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    t2.set_##type2(v2);                                                      \
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    int err = op.func(vres, t1, t2, str_buf);                                \
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    if (OB_SUCCESS != err) {                                                 \
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      ASSERT_EQ(res, err);                                                   \
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    } else {                                                                 \
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      switch (vres.get_type()) {                                             \
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        case ObIntType:                                                      \
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          ASSERT_EQ(res, vres.get_int());                                    \
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          break;                                                             \
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        case ObFloatType:                                                    \
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          ASSERT_TRUE(fabsf(res - vres.get_float() < EV));                   \
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          break;                                                             \
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        case ObDoubleType:                                                   \
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          ASSERT_TRUE(fabs(res - vres.get_double()) < EV);                   \
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          break;                                                             \
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        case ObMaxType:                                                      \
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          ASSERT_EQ(res, vres.get_type());                                   \
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          break;                                                             \
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        case ObNullType:                                                     \
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          ASSERT_EQ(res, vres.get_type());                                   \
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        default:                                                             \
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          ASSERT_TRUE(vres.is_null());                                       \
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          break;                                                             \
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      }                                                                      \
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    }                                                                        \
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  }                                                                          \
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  while (0)
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#define NVL_EXPECT_VARCHAR(funop, str_buf, func, type1, v1, type2, v2, res) \
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  {                                                                         \
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    ObObj t1;                                                               \
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    ObObj t2;                                                               \
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    ObObj vres;                                                             \
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    funop op;                                                               \
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    op.set_result_type(ObVarcharType);                                      \
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    t1.set_##type1(v1);                                                     \
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    t2.set_##type2(v2);                                                     \
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    int err = op.func(vres, t1, t2, str_buf);                               \
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    if (OB_SUCCESS != err) {                                                \
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    } else {                                                                \
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      ASSERT_EQ(ObVarcharType, vres.get_type());                            \
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      ASSERT_EQ(strlen(res), vres.get_varchar().length());                  \
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      ASSERT_EQ(0, memcmp(res, vres.get_varchar().ptr(), strlen(res)));     \
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    }                                                                       \
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  }                                                                         \
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  while (0)
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#define R(t1, v1, t2, v2, restype, res) NVL_EXPECT(ObExprNvl, &buf, calc_result2, t1, v1, t2, v2, restype, res)
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#define RV(t1, v1, t2, v2, res) NVL_EXPECT_VARCHAR(ObExprNvl, &buf, calc_result2, t1, v1, t2, v2, res)
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TEST_F(ObExprNvlTest, result_test)
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{
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  // num with other
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  ObExprStringBuf buf;
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  R(int, 1, varchar, "hello", varchar, 1);
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  R(int, 1, int, 3, ObIntType, 1);
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  R(int, 1, float, float(3.2), ObDoubleType, 1.0);
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  R(int, 1, double, 3.3, ObDoubleType, 1.0);
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  R(int, 1, null, 0, ObIntType, 1);
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  R(float, float(1.23), varchar, "hello", varchar, 1.23);
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  R(float, float(1.23), int, 3, ObFloatType, 1.230000);
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  R(float, float(1.23), float, float(3.2), ObFloatType, 1.230000);
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  R(float, float(1.23), double, 3.3, ObDoubleType, 1.230000);
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  R(float, float(1.23), null, 0, ObFloatType, 1.230000);
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  R(double, 1.23, varchar, "hello", ObDoubleType, 1.230000);
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  R(double, 1.23, int, 3, ObDoubleType, 1.230000);
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  R(double, 1.23, float, float(3.2), ObDoubleType, 1.230000);
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  R(double, 1.23, double, 3.3, ObDoubleType, 1.230000);
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  R(double, 1.23, null, 0, ObDoubleType, 1.230000);
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  // invalid type op
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  R(ctime, 1, int, 2, ObNullType, OB_ERR_INVALID_TYPE_FOR_OP);
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  R(mtime, 1, int, 2, ObNullType, OB_ERR_INVALID_TYPE_FOR_OP);
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  R(ext, 1, int, 2, ObNullType, OB_ERR_INVALID_TYPE_FOR_OP);
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  // varchar with other
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  RV(varchar, "hello", int, 2, "hello");
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  RV(varchar, "hello", float, float(2), "hello");
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  RV(varchar, "hello", double, 2, "hello");
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  RV(varchar, "hello", varchar, "2", "hello");
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  RV(varchar, "hello", null, 0, "hello");
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  RV(varchar, "", varchar, "hello", "");
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  RV(varchar, "", double, 2.2, "");
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  RV(varchar, "", int, 4, "");
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  RV(varchar, "", float, float(2.3), "");
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  // R(varchar, "", null, 0, ObNullType, 0);
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  // null with other
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  R(null, 0, int, 2, ObIntType, 2);
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  R(null, 0, float, float(2.2), ObFloatType, 2.20000);
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  R(null, 0, double, 2.3, ObDoubleType, 2.30000);
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  RV(null, 0, varchar, "hello", "hello");
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  R(null, 0, ctime, 2, ObIntType, OB_ERR_INVALID_TYPE_FOR_OP);
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  R(null, 0, mtime, 2, ObIntType, OB_ERR_INVALID_TYPE_FOR_OP);
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  R(null, 0, ext, 2, ObIntType, OB_ERR_INVALID_TYPE_FOR_OP);
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  R(null, 0, null, 0, ObNullType, 0);
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}
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int main(int argc, char** argv)
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{
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  ::testing::InitGoogleTest(&argc, argv);
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  return RUN_ALL_TESTS();
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}
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